150981765 has 16 divisors (see below), whose sum is σ = 263532096. Its totient is φ = 73203200.

The previous prime is 150981763. The next prime is 150981799. The reversal of 150981765 is 567189051.

It is not a de Polignac number, because 150981765 - 2¹ = 150981763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150981763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457356 + ... + 457685.

It is an arithmetic number, because the mean of its divisors is an integer number (16470756).

Almost surely, 2^150981765 is an apocalyptic number.

150981765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

150981765 is a deficient number, since it is larger than the sum of its proper divisors (112550331).

150981765 is a wasteful number, since it uses less digits than its factorization.

150981765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915060.

The product of its (nonzero) digits is 75600, while the sum is 42.

The square root of 150981765 is about 12287.4637334155. The cubic root of 150981765 is about 532.4859658185.

The spelling of 150981765 in words is "one hundred fifty million, nine hundred eighty-one thousand, seven hundred sixty-five".